126609460 has 12 divisors (see below), whose sum is σ = 265879908. Its totient is φ = 50643776.

The previous prime is 126609437. The next prime is 126609467. The reversal of 126609460 is 64906621.

It can be written as a sum of positive squares in 2 ways, for example, as 86007076 + 40602384 = 9274^2 + 6372^2 .

It is a super-2 number, since 2×126609460² = 32059910722983200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126609467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165217 + ... + 3165256.

It is an arithmetic number, because the mean of its divisors is an integer number (22156659).

Almost surely, 2^126609460 is an apocalyptic number.

126609460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126609460 is an abundant number, since it is smaller than the sum of its proper divisors (139270448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126609460 is a wasteful number, since it uses less digits than its factorization.

126609460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330482 (or 6330480 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 126609460 is about 11252.0869175456. The cubic root of 126609460 is about 502.1368018141.

The spelling of 126609460 in words is "one hundred twenty-six million, six hundred nine thousand, four hundred sixty".